Deadbolt



FIG. 1 is a perspective view of the new design for a deadbolt;

FIG. 2 is a front elevational view of the new design for a deadbolt;and,

FIG. 3 is a right side elevational view of the new design for adeadbolt.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

The ornamental design for a deadbolt, as shown and described.